National Park Foundation and Subaru aiming to help keep National Parks clean

WORLAND - According to the National Park Service, in 2017, Grand Teton National Park and Yellowstone National Park saw a combined 7.4 million visitors. While that's roughly eight times the population of the Equality State, it all makes perfect sense why millions want to visit each year.

Grand Teton and Yellowstone offer so much in terms of wildlife, geological wonders and natural scenic beauty, ju...